GUSMIARNI; VENIA THIOFANNY. Pengaruh Pandemi Covid-19, Pemberlakuan PSBB, Dan Pemberlakuan PPKM Terhadap Indeks Saham LQ45. Jurnal Akademi Akuntansi Indonesia Padang, [S. l.], v. 3, n. 1, p. 18–31, 2023. DOI: 10.31933/6sd2dt94. Disponível em: https://journal.unespadang.ac.id/jaaip/article/view/165.. Acesso em: 24 apr. 2025.